Stack-based buffer overflow in NETGEAR Routers



Published: 2022-12-09
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-121
Exploitation vector Local network
Public exploit N/A
Vulnerable software
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R7000P
Hardware solutions / Routers for home users

XR300
Hardware solutions / Routers for home users

R6400
Hardware solutions / Routers for home users

RBK852
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBR850
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBS850
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU70092

Risk: Low

CVSSv3.1: 5.4 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote administrator on the local network can trigger stack-based buffer overflow and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

R7000P: before 1.3.2.132

XR300: before 1.0.3.50

RBK852: before 3.2.10.11

RBR850: before 3.2.10.11

RBS850: before 3.2.10.11

R6400: before 1.0.1.70

External links

http://kb.netgear.com/000065373/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0156


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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